What is the verbal expression for ab?

What term makes it inconsistent y=2x - 4 ?

Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 (monthly car loan payment per $1,000 borrowed) i need !

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.